Car-truck.



W. S. ADAMS.

CAR TRUCK. APPLICATION FILED JUNE 1a, (915.

l Patented Apr. 4,1916.

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APPHCATION FILED JUNE 13. 1915 Patented A9124, 1916 5 SHEETS-SHEET Z.

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CAR TRUCK.

APPLICATION FILED JUNE 18. I915.

Patented Apr. 4, 1916.

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W. S. ADAMSv CAR'TRUCK.

APPLICATION FILED IuIIE I8. zsIs Patented Apr. 1, E916.

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CAR TRUCK.

APPLICATION FILED JUNE 18. m5.

Patented Apr. 4, 1916.

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- W V A \x WfiLTHE S. ABAES, 0F PHILADELlzHIA, IPENNSYLVAEFIA, ASSIGEL'GT W3 5". 3r. REEL COYELZPAA'Y, 0F EHILADELPHIA, PENNSYLVANM,

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i CORP!) a 133:1 PEIITEYSY GAB TB-UCK.

Application filed June 18, 19115.

To all 10 from it may concern:

Be it known that I, lNALTER S. hours, a citizen of the United States, and a resident of the city and county of Philadelphia andv State of Pennsylvania, have invented a new and useful Improvement in Car-Trucks, of which the following is a specification.

The object of my invention is to provide a suitable truck which will be light, durable and easy riding and in every way suit able for light cars. These, and other objects are accomplished by my invention, some embodiments of which are hereinafter set forth. y

F or a more particular description of my invention reference is to be to the accompanying drawings, forming a part hereof, in which- Figure 1 is a side elevation of my irnproved truck on which a car is mounted, only a portion of the car being shown; Fig. 2 is 'a plan view of the frame of the car body showing where the truck is con nested; Figs. 3 and 4 are detailed views showing portions of the frame and door of the car, the frame being a horizontal section and the latter ayertical section; Fig. 5 is a side elevation, somewhat en lar ed. of one end of my improved truck and a portion of a car body to which it is connected; Figs. 6 and 7 show details relating to the spring mechanism whereby the quarter elliptic springs are connected to the car bodv, Fig. 6 being a sectional \ZlEW taken on the line 66 of Fig. 7. lookiri in thedirection of the arrows; Figs. 8 am *3 show the coil springs mountednear the center of the truck and the seats for the same; 10 is a. plan View of the structure shown in Fig. 5; Fig. .11 shows a portion of the mechanism for supporting the free end of a motor; Fig. 12 shows a part of the brake mechanismg'l ig 13 shows a modified structure in which bearings are used with special provision for the removal of the wheels; Fig. it is an end view of anaxlc box and connected parts with an end cover removed: Fig. 15 is a plan view of the outer end of a. quarter elliptical spring and the shackle and' bracket connected therewith; Fig. 16 is a sectional View. taken on the line 16-16 of Fig. 15, looking in the direction of the arrows; and Figs. 17 and 18 are further Specification of letter. Patent.

Serial Kc. 8%,342.

modifications showing; a structure in which the axle hoses as well the wheelsand axles, may be readily removed from the frame of the truck.

Throughout the various views of the drawings, similar referehce characters designate similar parts.

A car 1 is provided with a suitable bed 2 and truck 3, the body 2 being" provided with suitable longitudinal sills i and cross ings 5, together with. the ne ccssary angle plates and rivets ror holding the n s to gether. 'l he exact construction. of the car body is not essential, but the preferred en.- bodiinent is the one shown.

by suitable crossings 7 on which the hralre rigging- 8 and the motor supports 9 are carried in the conventional way.

Secured to each end of the side frame 6 are suitable brackets 19 connected by a suitable channel bar ll, the brackets and chan nel bar cons-.itutin the side frame 5. In the structure shown in igs. 1 and 5, inch sive, each bracket 10 carries an axle box 12 suitabl for roller hearings. in the struc ture shown in Figs. 13 and is, thebraclret 10 is inade' integral with axle box 13 which has a cover 14 sec d thereto its end by bolts 15, so that removing bolts, the wheels and axle 18 may be re moved. In the structure shown in 17 and 18 the axle box 19 is secured by bolts '20 to the bracket 10. in any event the axle box is firmly secured in the bracket.

The car body 2 is carried from the truck 3 by means of suitable quarter elliptic springs 21 and coil springs 22. t elliptic springs being secured over the axle boxes. and the coil springs on te side bars 11 and under suitable crossings 5 of the car I Each spring; 21 is secured to a bracket 10 by meansoi a bolt 23, or several such bolts, and. it is secured in such a way that its hand 24 rests in a suitable seat on or over the axle boxes. The free end of each spring, 21 carries a suitable bearing 25 in which rests a pivot pin .58 which extends longitudinally of the spring; which 13in carries a hanger 26" which pass-cs through a perforation in. the

e quarter cup and spring 21 and supports near its lower end a second pin 27 which is parallel with the pin 26, and this pin 27 supports a suitable spring seat 28 for a coil spring 29, and the coil spring 29 carries a cap 30 which is surmounted by the arms 31 which are adapted to be secured to a crossing 5 of the car body. The lower edges 32 of the caps 30 and the upper edges 33 of the seats 28 are adapted to come together whenever the spring 29 is sufficiently compressed and be- 1fore the spring 21 is carrying its maximum oad.

The springs 22 which are over and carried from the bar 11 are seated on suitable brackets 34, and each of these springs 22 is surmounted by a cap 35 which is also a cup to receive a second coil spring 36. Thesesprings 36 are surmounted by a second cap 37 that is secured to a crossing 5 of the car body 2. in any suitable manner, as by ears 38 and bolts 39. These caps 37 may carry a suitable downwardly extending guide pin 40 which runs through a suitable bearing in the cap 35 so as to keep the springs and 36 in proper alinement, as shown in Fig. 13, or the guide pin may be omitted as shown in Fig. 3. Each spring 36 is weakened so as to be resilient only when light loads are used. \Vhen the car is loaded sufiiciently the spring 36 is so compressed that the seat 37 and cap come to ether so that this spring 36 is inoperative or cushioning purposes, and the spring 22, together with the other coil springs 22 and the quarter elliptic springs 21 carry the load.

To prevent the truck from getting out of true without increasing the weight of; the

car and truck to any material extent, and to utilize the rigidity of the frame of the car whereby all diagonal bracing of the truck is eliminated, in the preferred embodiment of my invention I provide suitable links which connect the car body and frame, one on each side at diagonally opposite corners. On suitable bolts 23, or other bolts, as may be desired, are. mounted suitable blocks 47, one on each bolt, each block being provided with asuitable vertical hole for the bolt 23, and a second horizontal hole for the bolt :8 that carries the links 49, one on each side of the block 47. The block 47 is free to turn on the bolt 23 and is kept from turning too freely by means of the washers 50 and the coil spring 51 which is sandwiched between them and kept under compression by the lock nuts 52 of the bolt 23. The other ends of the links 49 are connected by a corresponding bolt 48 which passes through a second block 4? on a depending bolt 53 which carries lock nuts 52, Washers 50 and coil spring- 51 which forces the block 47 a ainst a proper seat 54 mounted on a suita le bracket 55 that is secured to a car sill 4 and crossing 5, in any suitable way. The

bolts 48 are also provided with nuts 52, washers 50 and springs 51. The links 49, blocks 47, and the springs 51 prevent excessive side-swing because of the friction of the parts 49 and 47 due to the springs 51, and at the same time sufiicient play is permitted to let the car body ride easily on the truck at all times and especially on curves.

The brake rigging 8 and motor supports readily understood.

lVhen the load is light, the coil springs 29 and 36 will make it easy riding and when the load is heavy, the stiffer springs will take care of this load so as to still keep this truck an easy riding one. Moreover, the

load is distributed so that the quarter elliptic springs 21 carry about tln'ee'quarters of the load at their ends, the other quarter being taken by the coil springs over the bar 11.

The rigidity of the frame of the car body coiiperates through the links 49 and the connected parts so as to make the frames 6 of the truck remain secure and true at all times, and the axle boxes are so made that the axles andwheels may be readily removed from the truck, when desired, by disconnecting a few bolts.

Having thus described my invention, what I claim is:

1. A truck having a frame, axle boxes on the ends of said frame, quarter elliptic springs resting on the axle boxes, coil springs on the truck frame intermediate the ends of said frame, supplementary springs on the quarter elliptic springs and coil springs, said supplementary springs being weaker than the quarter elliptic and coil springs, and adapted-to cushion light loads.

2. A car truck having a frame with quarter elliptic springs secured to each end, coil springs intermediate of the ends, and links adapted to connect the truck to a car body.

A truck having a side frame with axle boxes on the ends of said frame, quarter elliptic springs at the ends of said frame and resting on the axle boxes and supplemental coil springs carried by the quarter elliptic springs adapted totake the stress of light loads whereby the truck will be.

with a car body.

springs and means for connecting said cap 5. In a device of plurality of links and blocks held together with bolts and springs for uniting the truck and car body and causing frictional resistance to all lateral movements of the car body on the truck.

6. In a device of the class described, a car body and a truck with side frames and springs carried thereby and a plurality of links and blocks held together with bolts and springs for uniting the truck and car.

body and causing frictional resistance toall lateral movements of the car body on the truck. a

7. In a device of the class described, a car body and a truck with side frames and springs carried thereby to support the car body and links with friction causing means uniting the car body and truck.

8. A car truck having side frames, axle boxes secured to the ends of said frames, quarter elliptic springs secured at the ends of said frames above the axle boxes, a spring seat secured to each quarter elliptic spring adjacent its outer or free end, a coil spring mounted on said seat and a cap for said coil spring secured to the car body.

' 9. A car truck having side frames, brackets on'the ends of said side frames, axle boxes secured to said brackets, quarter elliptic springs secured to the ends of the side frames and resting on the axle boxes, hangers suspended from the ends of said quarterelliptic springs, spring seats on said hangers, coil springs resting on said seats and caps resting on said coil springs, said caps being secured to the car body.

10. A car truck having-side frames, axle boxes secured to the ends of said side frames,

quarter elliptic springs secured at the ends of said side frames and resting on the axle boxes, hangers suspended from the ends of said quarter elliptic springs, spring seats mounted on the lower ends of said hangers, coil springs resting on said spring seats, and caps resting on said coil springs, the

v k the class described, a car body and a car truck, a

caps carried on said coil springs, said caps being secured to the car body.

12. A car truck having side frames,

brackets securedto the ends of said frames,

axle boxes secured to said brackets, quarter elliptic springs secured to said brackets above the axle boxes, bearings secured to the outer or free ends of the quarter elliptic springs, hangers mounted in said bearings and extending downward through openings in the ends of the leaf springs and bearings spring seats mounted on the lower ends 0 said hangers, coil springs resting on 'said seats, caps resting on said springs, said caps being secured to the car body.

'13. A truck having side frames, axle boxes secured to the ends of said side frames, quarter elliptic springs secured adjacent the ends of said side frames and above the axle boxes, hangers mounted on the ends of the quarter elliptic springs, spring seats on the lower ends of said hangers, coil springs resting on said seats and caps resting on said coil springs and secured to the car body; a bearing mounted on the car body, a bearing mounted on the truck frame; blocks pivotally mounted on said bearings, springs on said bearings exerting a frictional resistance to movement of said blocks and a link extending between said blocks and pivotally secured thereto.

Signed at the city and county of Philadelphia, and State of Pennsylvania, this 18th day of May, 1915.

WALTER S. ADAMS. 

